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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-4826) [classlib][awt] MouseEvent can not fall into desired component in Insets
Date Thu, 20 Sep 2007 08:00:31 GMT
[classlib][awt] MouseEvent can not fall into desired component in Insets
------------------------------------------------------------------------

                 Key: HARMONY-4826
                 URL: https://issues.apache.org/jira/browse/HARMONY-4826
             Project: Harmony
          Issue Type: Test
          Components: Classlib
         Environment: Win32 + Linux32
            Reporter: Chunrong Lai
            Priority: Minor



 I am not sure if it is a bug or not.
 In some applications I did observe that some containers (with customized LayoutManager) layout
child-components in the Insets-Area! One example is the floating toolbar. Programmers may
layout the fixed titlebar in (customized) Insets-Area but layout the variable buttons in normal
area.
 The problem is that, the mouse event is just filtered at Insets-Area in Harmony (to optimize
it, I believe) so above titleBar does not respond to Mouse at all. See below funtion in awt/src/main/java/common/java/awt/MouseDispatcher.java

    private void fall2Child(PointerInfo info) {
        Insets insets = info.src.getInsets();

        final Point pos = info.position;
        final int x = pos.x;
        final int y = pos.y;
        if ((x >= insets.left) && (y >= insets.top) &&
                (x < (info.src.w - insets.right)) &&
                (y < (info.src.h - insets.bottom)))   // Is this optimization necessary?
        {
            Component[] children = ((Container) info.src).getComponents();

            for (Component child : children) {
            .....

 It is also seen that RI works for such special components.
 Discussion is welcome.

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